It's apparently been know for at least 2 years. Interesting (or not) that this gets "leaked" now. He's 80 years old and has prostate cancer. I obviously don't know anything about his staging, but he's probably more likely to die WITH it than BECAUSE of it. And my vote is, "No," having cancer does not get you off the hook for being a bad person.
At press time, Harbaugh had sent Michigan’s athletic department an envelope containing a heavily annotated seating chart, a list of the 63,000 seat views he had found unsatisfactory, and a glowing 70-page report on section 25, row 12, seat 9, which he claimed is “exactly what the great sport of football is all about.”